Important – Yokogawa EJX115A User Manual

Page 47

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<3. Parameter Setting>

3-34

IM 01C25T01-06EN

2) Activate the “Chg universal rev” method

IMPORTANT

The message is displayed to separate the

transmitter from the automatic control loop.

Confirm that the transmitter is separated.

3) Input the new revision number

An input column for new protocol revision number is

displayed.

Input the new HART protocol revision number of “5”

for HART 5 or “7” for HART 7.

4) Applying the new protocol revision

a. Close the configuration tool

After completion of Chg universal rev

method, close the HART configuration tool.

NOTE

When using a FieldMate, close the main display

of FieldMate.

b. Restart the transmitter

Turn off the power to the transmitter, and turn

it on.

IMPORTANT

New protocol revision is applied only after having

performed restart of the transmitter.

NOTE

A new HART revision number is displayed on

the integral indicator for three (3) seconds after

restart the transmitter. (Refer to section 2.1)

5) Confirming the new protocol revision

a. Restart the HART configuration tool

NOTE

When execute the other parameter confirmation

or setting change, execute after restart the

configuration tool.

b. Confirm the new HART protocol revision

number

Call up the

Universal rev parameter, and confirm

that the new HART revision number is displayed.

• Procedure to call up the

Universal rev.

parameter.

DD and DTM

(excluding EJX_

HART 5[1.2])

[Root Menu] → Detailed setup

→ Device information → Field

device info → Revision #’s →

Universal rev →

EJX_HART 5[1.2]

DTM

Configuration → HART →

Universal rev. →

5

HART protocol revision: 5

7

HART protocol revision: 7

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